CN212831027U - Screw conveyer driving device for earth pressure balance push bench - Google Patents
Screw conveyer driving device for earth pressure balance push bench Download PDFInfo
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- CN212831027U CN212831027U CN202021503965.XU CN202021503965U CN212831027U CN 212831027 U CN212831027 U CN 212831027U CN 202021503965 U CN202021503965 U CN 202021503965U CN 212831027 U CN212831027 U CN 212831027U
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Abstract
The utility model discloses a screw conveyer driving device for a soil pressure balance push bench, which comprises a motor, a speed reducer, a pinion, a box body, a gearwheel, a force transmission cylinder, a box body cover, a plane bearing ring, a sealing ring, a screw, screw blades, a box body structural part, a radial bearing and a plane bearing, wherein the screw and the screw blades are arranged inside the force transmission cylinder, the screw blades are welded with the inner wall of the force transmission cylinder, and the middle part of the outer wall of the force transmission cylinder is fixedly connected with the gearwheel; the box body comprises a box body structural part, a radial bearing and a plane bearing, two pinions are arranged in the box body structural part, a box body cover is arranged at one end of the box body, and a sealing cover is arranged at the mounting position of the pinion of the box body cover; two ends of the force transmission cylinder are connected with the box body and the box body cover through bearings; the pinions are driven by a motor and a speed reducer, and the two groups of pinions are simultaneously meshed with the big gear on the force transmission cylinder to drive the force transmission cylinder and further drive the screw rod of the screw conveyor to rotate. The utility model discloses simple structure, output torque is big, and speed is adjustable, and is sealed, lubricated effectual.
Description
Technical Field
The utility model relates to a soil pressure balance screw conveyer drive arrangement for pipe push bench relates to tunnel engineering technical field.
Background
The pipe jacking machine is widely applied to trenchless construction of main lines such as urban underground pedestrian crossing streets, subway station entrances and exits, urban underground comprehensive pipe galleries, crossing buildings, highways and railways and the like, and has the advantages of high space utilization rate, safe construction, short period, low cost and the like. The main machine of the earth pressure balance push bench consists of a cutter head, a cutter head drive, a shell, a spiral conveyor, a propelling device and the like. The screw conveyer is an important component of the earth pressure balance push bench and has the functions of removing excavated surface muck and controlling the pressure of an earth bin. The screw driver is a power source for realizing the functions and is positioned at the rear part of the screw conveyor. At present, a speed reducer of a driving part and a pinion are connected through two groups of rolling bearings, so that the structure is complex, the processing requirement is high, and the assembly and disassembly are troublesome; because the driving inner wall is in direct contact with the excavated soil body, if the sealing effect is poor, the soil body is easy to enter the driving inner part, so that the structure is failed; in addition, the sliding bearing and the sealing element are easy to damage when no lubrication or poor lubrication effect exists, thus delaying production and increasing cost.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, a soil pressure balance screw conveyer drive arrangement for push bench is provided.
In order to solve the technical problem, the utility model provides a screw conveyer driving device for earth pressure balance push bench, which comprises a motor, a speed reducer, a pinion, a box body, a gearwheel, a force transmission cylinder, a box body cover, a plane bearing ring, a sealing ring, a screw blade, a box body structural part, a radial bearing and a plane bearing, wherein the screw and the screw blade are arranged in the force transmission cylinder, the screw blade is welded with the inner wall of the force transmission cylinder, and the middle part of the outer wall of the force transmission cylinder is fixedly connected with the gearwheel; the box body comprises a box body structural part, a radial bearing and a plane bearing, two pinions are arranged in the box body structural part, a box body cover is arranged at one end of the box body, and a sealing cover is arranged at the mounting position of the pinion of the box body cover through a bolt IV and a washer V; two ends of the force transmission cylinder are connected with the box body and the box body cover through radial bearings; the pinions are driven by the motor and the speed reducer, and the two groups of pinions are simultaneously meshed with the big gear on the force transmission cylinder to drive the force transmission cylinder and further drive the screw of the screw conveyor to rotate through the screw blade, so that spiral soil discharging is realized.
The speed reducer is a planetary speed reducer, the input end of the speed reducer is an internal spline and is meshed with an external spline of the motor, and the output end of the speed reducer is an external spline and is meshed with an internal spline of the pinion; the motor is a variable frequency motor and is fixed with the speed reducer through a first bolt, a first nut and a first gasket; meanwhile, the speed reducer is fixed with the box body through a second bolt and a second gasket, the end part of the output end of the speed reducer is connected with the pinion cover through a third bolt and a sixth gasket, and the speed reducer and the pinion cover limit the pinion at the same time.
The box structural member forms a basic frame of the driving device and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing is arranged with the structural part of the box body in an interference fit manner, and the spiral oil groove and the oil groove pass through the oil filling hole; the plane bearing is connected with the box structural member through a countersunk head screw, and an oil groove is formed in the contact surface of the plane bearing and the large gear.
The box body cover comprises a cylinder body, a flange and a radial bearing, wherein the cylinder body is welded with the flange and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing is installed with the cylinder body in an interference mode, a spiral oil groove is machined, and the oil groove penetrates through the oil filling hole.
And a sealing gasket is arranged between the box body and the box body cover and is made of non-asbestos oil-resistant rubber material.
The plane bearing ring comprises a base ring, a plane bearing and a countersunk screw, and the base ring and the plane bearing are connected through the countersunk screw; an oil groove is formed in the contact surface of the plane bearing and the large gear, a sealing groove is formed in the base ring, a first O-shaped ring and a second O-shaped ring are installed to guarantee sealing performance, and the first O-shaped ring and the second O-shaped ring are connected with a box body cover through a second screw and a second nut; the plane bearing ring and the large gear are adjusted through a second screw.
The sealing rings are left and right, the interiors of the sealing rings are respectively connected with the box body and the box body cover through a screw III and a washer VII, the exteriors of the sealing rings are connected with a barrel section of the screw conveyor, and the driving device is fixed on a main structure of the screw conveyor; the joint of the sealing ring, the box body and the box body cover is provided with a third O-shaped ring to ensure the sealing property;
the box, box lid and pass a power section of thick bamboo and reserve lip type seal groove, install lip type seal one and lip type seal two in the lip type seal groove, sealed effect is played to the pairing rotation and non-revolution face.
The oil pipe and the pipe joint are arranged in the grease holes reserved in the box body and the box body cover, and the lubricating and cooling effects on the bearing, the sealing and the like are achieved by injecting EP 1.
Has the advantages that: the utility model has simple structure, convenient processing and installation, large output torque and adjustable rotation speed, and can meet different requirements of the unearthing capacity of the equipment; four lip seals are arranged at the upper layer and the lower layer, so that the sealing effect is good; the bearing and the sealing part are provided with the grease injection system, the service life of the bearing and the sealing part is prolonged by lubricating and cooling grease, the assembly and disassembly are convenient, the output torque is large, and the sealing and lubricating effects are good.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the driving device A-A of the present invention;
FIG. 3 is a schematic cross-sectional view of a driving device C-C according to the present invention;
FIG. 4 is a schematic cross-sectional view of a driving device D-D of the present invention;
fig. 5 is a schematic cross-sectional view of the driving device E-E of the present invention;
fig. 6 is a schematic structural view of the pinion of the present invention;
FIG. 7 is a schematic structural view of the bull gear of the present invention;
FIG. 8 is a schematic view of the welding of the force-transmitting cylinder and the screw blade of the present invention;
FIG. 9a is a schematic front view of the structure of the case of the present invention;
FIG. 9B is a schematic cross-sectional view of the case of the present invention;
FIG. 10a is a schematic front view of the cover of the box body of the present invention;
FIG. 10b is a schematic cross-sectional view of the case cover according to the present invention;
fig. 11 is a schematic cross-sectional view of a planar bearing ring according to the present invention;
fig. 12 is the structural schematic diagram of the oil groove of the plane bearing of the present invention.
In the figure: 1 motor, 2 speed reducer, 3 pinion, 4 boxes, 5 pinion covers, 6 bull gears, 7 power transmission cylinders, 8 box covers, 9 sealing gaskets, 10 plane bearing rings, 11 sealing rings, 12 sealing covers, 13 lip type sealing I, 14 lip type sealing II, 15 oil pipes, 16 pipe joints, 17O-shaped ring I, 18O-shaped ring II, 19O-shaped ring III, 20O-shaped ring IV, 21 bolt I, 22 nut I, 23 gasket I, 24 bolt II, 25 gasket II, 26 bolt III, 27 bolt I, 28 gasket III, 29 bolt III, 30 gasket IV, 31 bolt II, 32 nut II, 33 bolt III, 34 bolt IV, 35 gasket V, 36 screw, 37 gasket VI, 38 gasket VII, 361 screw blade, 41 box structural parts, 42 radial bearings, 43 plane bearings, 44 countersunk head screws, 81 cylinders, 82 flanges and 101 base rings.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a front view showing a schematic structure of the present invention.
Fig. 2 is a schematic sectional view of the driving device a-a of the present invention.
Fig. 3 is a schematic cross-sectional view of the driving device C-C of the present invention.
Fig. 4 is a schematic cross-sectional view of the driving device D-D of the present invention.
Fig. 5 is a schematic cross-sectional view of the driving device E-E of the present invention.
Fig. 6 is a schematic structural view of the pinion according to the present invention.
Fig. 7 is a schematic structural view of the gear wheel of the present invention.
Fig. 8 shows the welding of the force transmission cylinder and the screw blade of the present invention.
The utility model provides a soil pressure balance is screw conveyer drive arrangement for push bench, including motor 1, speed reducer 2, pinion 3, box 4, gear wheel 6, force transfer cylinder 7, box lid 8, plane bearing ring 10, sealing ring 11, screw rod 36, screw blade 361, box structure 41, journal bearing 42 and plane bearing 43, screw rod 36 and screw blade 361 are equipped with to the inside of force transfer cylinder 7, and screw blade 361 and the welding of 7 inner walls of force transfer cylinder are in the same place, and 7 outer wall middle parts of force transfer cylinder are connected with gear wheel 6 through screw one 27 and three 28 fixed washers; the box body 4 comprises a box body structural part 41, a radial bearing 42 and a plane bearing 43, two small gears 3 are arranged in the box body structural part 41, a box body cover 8 is arranged at one end of the box body 4, the seal cover 12 is arranged at the installation position of the small gears 3 of the box body cover 8 through a bolt four 34 and a washer five 35 so as to seal the gear box, a seal groove is formed, and an O-shaped ring four 20 is arranged to ensure the sealing property; two ends of the force transmission cylinder 7 are connected with the box body 4 and the box body cover 8 through radial bearings 42; the pinions 3 are driven by the motor 1 and the speed reducer 2, and the two groups of pinions 3 are simultaneously meshed with the gear wheel 6 on the force transmission cylinder 7 to further transmit torque and reduce the rotating speed, so that the force transmission cylinder 7 is driven, and the screw blade 361 drives the screw 36 of the screw conveyor to rotate, thereby realizing spiral soil discharging.
The speed reducer 2 is a planetary speed reducer, the input end of the speed reducer is an internal spline and is meshed with an external spline of the motor 1, and the output end of the speed reducer is an external spline and is meshed with an internal spline of the pinion 3; the motor 1 is a variable frequency motor and is fixed with the speed reducer 2 through a first bolt 21, a first nut 22 and a first gasket 23; meanwhile, the speed reducer 2 is fixed with the box body 4 through a second bolt 24 and a second gasket 25, the end part of the output end of the speed reducer 2 is connected with the pinion cover 5 through a third bolt 26 and a sixth gasket 37, and the speed reducer 2 and the pinion cover 5 limit the pinion 3 at the same time.
Fig. 9a is a schematic front view of the box of the present invention.
Fig. 9B is a schematic cross-sectional view of the box body of the present invention.
The box structural member 41 forms a basic frame of the driving device and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing 42 is arranged with the box structure 41 in an interference fit manner, and a spiral oil groove and an oil groove through an oil filling hole are turned; the plane bearing 43 is connected with the box structure 41 through a countersunk screw 44, and an oil groove is formed on the contact surface of the plane bearing and the large gear 6.
Fig. 10a is a schematic front view of the cover of the present invention.
Fig. 10b is a schematic sectional view of the box cover according to the present invention.
The box cover 8 comprises a cylinder 81, a flange 82 and a radial bearing 42, wherein the cylinder 81 is welded with the flange 82 and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing 42 is arranged with the cylinder 81 in an interference fit manner, and a spiral oil groove is arranged and passes through the oil filling hole.
A sealing gasket 9 is arranged between the box body 4 and the box body cover 8, and the sealing gasket 9 is made of non-asbestos oil-resistant rubber material; the sealing gasket 9 and the box cover 8 are connected with the box 4 through a third bolt 29 and a fourth gasket 30.
Fig. 11 is a schematic cross-sectional view of a planar bearing ring according to the present invention.
Fig. 12 is a schematic view of the oil groove structure of the flat bearing of the present invention.
The planar bearing ring 10 comprises a base ring 101, a planar bearing 43 and a countersunk screw 44, the base ring 101 and the planar bearing 43 being connected by the countersunk screw 44; an oil groove is formed in the contact surface of the plane bearing 43 and the large gear 6, a sealing groove is formed in the base ring 101, a first O-shaped ring 17 and a second O-shaped ring 18 are installed to guarantee sealing performance, and the plane bearing is connected with the box body cover 8 through a second screw 31 and a second nut 32; the planar bearing ring 10 and the gearwheel 6 are adjusted by means of a second screw 31.
The sealing ring 11 is a left part and a right part, the inner parts of the sealing ring are respectively connected with the box body 4 and the box body cover 8 through a third screw 33 and a seventh washer 38, the outer parts of the sealing ring are connected with a cylinder section of the screw conveyor, and a driving device is fixed on a main structure of the screw conveyor; the joint of the sealing ring 11, the box body 4 and the box body cover 8 is provided with a third O-shaped ring 19 to ensure the sealing property;
the lip type seal groove is reserved to box 4, box lid 8 and biography power section of thick bamboo 7, install lip type seal 13 and lip type seal two 14 in the lip type seal groove, sealed effect is played to the pairing rotation and non-rotation face.
The oil pipe 15 and the pipe joint 16 are arranged in grease holes reserved in the box body 4 and the box body cover 8, and lubrication and cooling effects on bearings, sealing and the like are achieved by injecting EP 1.
In specific implementation, the motor 1 drives the pinions 3 to rotate through the speed reducer 2, the two groups of pinions synchronously drive the bull gear 6 and the force transmission cylinder 7 to rotate, and the force transmission cylinder 7 drives the screw 36 to rotate through the screw blade 361, so that the rotation function of the spiral conveyor is realized, and the purpose of spiral soil discharging is achieved; the contact area between the radial bearing 42 and the plane bearing 43 is large, so that the driving device works stably and reliably; the lip-shaped seal is arranged at the matching part of the rotating surface and the non-rotating surface, the sealing effect is good, and impurities such as muck and the like can be effectively prevented from entering the driving device; the grease injection system injects EP1 grease into grease holes reserved in the box body 4 and the box body cover 8 through the oil pipe 15 and the pipe joint 16 to lubricate and cool the lip seal, the radial bearing and the plane bearing, and the service life is prolonged.
The utility model has simple structure, convenient processing and installation, large output torque and adjustable rotation speed, and can meet different requirements of the unearthing capacity of the equipment; four lip seals are arranged at the upper layer and the lower layer, so that the sealing effect is good; the bearing and the sealing part are provided with the grease injection system, the service life of the bearing and the sealing part is prolonged by lubricating and cooling grease, the assembly and disassembly are convenient, the output torque is large, and the sealing and lubricating effects are good.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (9)
1. The utility model provides a soil pressure balance screw conveyer drive arrangement for pipe push bench which characterized in that: the power transmission device comprises a motor (1), a speed reducer (2), a pinion (3), a box body (4), a large gear (6), a power transmission cylinder (7), a box body cover (8), a plane bearing ring (10), a sealing ring (11), a screw rod (36), screw rod blades (361), a box body structural part (41), a radial bearing (42) and a plane bearing (43), wherein the screw rod (36) and the screw rod blades (361) are arranged inside the power transmission cylinder (7), the screw rod blades (361) are welded with the inner wall of the power transmission cylinder (7), and the middle part of the outer wall of the power transmission cylinder (7) is fixedly connected with the large gear (6; the gearbox is characterized in that the box body (4) comprises a box body structural part (41), a radial bearing (42) and a plane bearing (43), two small gears (3) are arranged in the box body structural part (41), a box body cover (8) is arranged at one end of the box body (4), and the sealing cover (12) is installed at the installation position of the small gears (3) of the box body cover (8) through a bolt four (34) and a gasket five (35) so as to seal the gearbox; two ends of the force transmission cylinder (7) are connected with the box body (4) and the box body cover (8) through radial bearings (42); the pinions (3) are driven by the motor (1) and the speed reducer (2), and the two groups of pinions (3) are simultaneously meshed with the gear wheel (6) on the force transmission cylinder (7) to further transmit torque and reduce the rotating speed, so that the force transmission cylinder (7) is driven, and the screw blade (361) drives the screw (36) of the screw conveyor to rotate, and the screw soil discharging is realized.
2. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the speed reducer (2) is a planetary speed reducer, the input end of the speed reducer is an internal spline and is meshed with an external spline of the motor (1), and the output end of the speed reducer is an external spline and is meshed with an internal spline of the pinion (3); the motor (1) is a variable frequency motor and is fixed with the speed reducer (2) through a first bolt (21), a first nut (22) and a first gasket (23); meanwhile, the speed reducer (2) is fixed with the box body (4) through a second bolt (24) and a second gasket (25), the end part of the output end of the speed reducer (2) is connected with the pinion cover (5) through a third bolt (26) and a sixth gasket (37), and the speed reducer (2) and the pinion cover (5) limit the pinion (3) simultaneously.
3. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the box structural member (41) forms a basic frame of the driving device and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing (42) is arranged with the box structure member (41) in an interference manner, and the spiral oil groove and the oil groove pass through the oil filling hole; the plane bearing (43) is connected with the box structural member (41) through a sunk screw (44), and an oil groove is formed in the contact surface of the plane bearing and the large gear (6).
4. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the box body cover (8) comprises a cylinder body (81), a flange (82) and a radial bearing (42), wherein the cylinder body (81) is welded with the flange (82) and is provided with an O-shaped sealing groove, a lip-shaped sealing groove and a grease hole; the radial bearing (42) and the cylinder body (81) are arranged in an interference mode, a spiral oil groove is formed in a turning mode, and the oil groove penetrates through an oil filling hole.
5. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: be equipped with sealed pad (9) between box (4) and box lid (8), sealed pad (9) are made for non-asbestos resistant oil rubber material.
6. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the planar bearing ring (10) comprises a base ring (101), a planar bearing (43) and a countersunk screw (44), wherein the base ring (101) and the planar bearing (43) are connected through the countersunk screw (44); an oil groove is formed in the contact surface of the plane bearing (43) and the large gear (6), a base ring (101) is provided with a sealing groove, a first O-shaped ring (17) and a second O-shaped ring (18) are installed to guarantee sealing performance, and the plane bearing is connected with a box body cover (8) through a second screw (31) and a second nut (32); the plane bearing ring (10) and the large gear (6) are adjusted through a second screw (31).
7. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the sealing ring (11) is divided into a left part and a right part, the interior of the sealing ring is respectively connected with the box body (4) and the box body cover (8) through a screw III (33) and a washer VII (38), the exterior of the sealing ring is connected with a barrel section of the spiral conveyer, and the driving device is fixed on a main structure of the spiral conveyer; and an O-shaped ring III (19) is arranged at the joint of the sealing ring (11) and the box body (4) and the box body cover (8) to ensure the sealing property.
8. The screw conveyor driving device for the earth pressure balance push bench of claim 1, wherein: the lip type seal groove is reserved in the box body (4), the box body cover (8) and the force transmission cylinder (7), a lip type seal I (13) and a lip type seal II (14) are installed in the lip type seal groove, and sealing effect is achieved on rotating and non-rotating surfaces.
9. The screw conveyor driving device for the earth pressure balance push bench according to any one of claims 1-8, characterized in that: the oil pipe (15) and the pipe joint (16) are arranged in grease holes reserved in the box body (4) and the box body cover (8), and lubrication and cooling effects are achieved on the bearing and the seal through injecting EP 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503965.XU CN212831027U (en) | 2020-07-27 | 2020-07-27 | Screw conveyer driving device for earth pressure balance push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021503965.XU CN212831027U (en) | 2020-07-27 | 2020-07-27 | Screw conveyer driving device for earth pressure balance push bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212831027U true CN212831027U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021503965.XU Active CN212831027U (en) | 2020-07-27 | 2020-07-27 | Screw conveyer driving device for earth pressure balance push bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212831027U (en) |
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2020
- 2020-07-27 CN CN202021503965.XU patent/CN212831027U/en active Active
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